Quarter	Percent
1995-01-01	52.5669854500000
1995-04-01	52.9013118500000
1995-07-01	53.1639747900000
1995-10-01	52.6427288100000
1996-01-01	52.2835356900000
1996-04-01	52.9912054300000
1996-07-01	52.8076651200000
1996-10-01	52.1390166000000
1997-01-01	51.7714197200000
1997-04-01	52.1752545500000
1997-07-01	52.0646594700000
1997-10-01	51.7259705400000
1998-01-01	51.3670841400000
1998-04-01	51.0911553700000
1998-07-01	51.8999027000000
1998-10-01	51.6739663000000
1999-01-01	51.4785475300000
1999-04-01	51.4790438200000
1999-07-01	51.6654527800000
1999-10-01	52.5009646900000
2000-01-01	51.9528071600000
2000-04-01	52.8198532900000
2000-07-01	52.7042686500000
2000-10-01	52.3239155500000
2001-01-01	52.2381451700000
2001-04-01	52.4749264600000
2001-07-01	52.2862410700000
2001-10-01	51.4228714300000
2002-01-01	51.4388735500000
2002-04-01	51.3267317800000
2002-07-01	51.2317158400000
2002-10-01	51.8074453300000
2003-01-01	51.4623939800000
2003-04-01	51.4269164800000
2003-07-01	51.4320549800000
2003-10-01	51.9430652100000
2004-01-01	52.0653704000000
2004-04-01	52.3520119400000
2004-07-01	52.2981230900000
2004-10-01	52.1483570100000
2005-01-01	52.7509558700000
2005-04-01	53.2732396800000
2005-07-01	53.2626165200000
2005-10-01	53.9656756900000
2006-01-01	53.7518099000000
2006-04-01	54.3290089100000
2006-07-01	54.0297438500000
2006-10-01	54.5397172700000
2007-01-01	55.1379180400000
2007-04-01	55.6378463800000
2007-07-01	55.7335983300000
2007-10-01	55.4220591900000
2008-01-01	56.5744834000000
2008-04-01	56.7235411000000
2008-07-01	56.3604492400000
2008-10-01	56.3523467500000
2009-01-01	56.2644549000000
2009-04-01	55.9190062000000
2009-07-01	56.0104374600000
2009-10-01	55.9726356900000
2010-01-01	56.0052681200000
2010-04-01	57.3989455200000
2010-07-01	57.2785547800000
2010-10-01	57.4686143800000
2011-01-01	57.3836973500000
2011-04-01	58.2839325600000
2011-07-01	57.7019501300000
2011-10-01	57.5461641000000
2012-01-01	62.5333333333333
2012-04-01	63.1000000000000
2012-07-01	63.6000000000000
2012-10-01	63.0333333333333
2013-01-01	63.4666666666667
2013-04-01	63.5333333333333
2013-07-01	63.9333333333333
2013-10-01	63.7333333333333
2014-01-01	64.3333333333333
2014-04-01	64.5000000000000
2014-07-01	64.4333333333333
2014-10-01	64.5000000000000
2015-01-01	64.2333333333333
2015-04-01	64.9333333333333
2015-07-01	65.0666666666667
2015-10-01	64.9000000000000
2016-01-01	64.6333333333334
2016-04-01	65.3333333333333
2016-07-01	65.4666666666667
2016-10-01	65.1333333333334
2017-01-01	65.3333333333334
2017-04-01	65.4666666666666
2017-07-01	65.5000000000000
2017-10-01	65.2000000000000
2018-01-01	65.4000000000000
2018-04-01	65.5333333333333
2018-07-01	65.5000000000000